Mutinous army units in pickup trucks armed with machine guns and rocket launchers deployed around the strategic oil installation at Brega on Thursday, a day after the opposition foiled an attempt by loyalists of leader Moammar Gadhafi to retake control of the port in rebel-held east Libya.
Recent amateur video uploaded to YouTube shows groups of armed men fighting in the desert, although it is unclear exactly when the video was filmed. In the footage, heavy gunfire and the sound of explosions can be heard and large plumes of smoke are seen rising in the distance.